Active NPI
Ayowale Oladeji, MD
- Internal Medicine Physician
- Grand Rapids, MI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 036.178554
- Practice address
- 221 Michigan St NE Ste 200-a
Grand Rapids, MI 49503-2543 - Phone
- (616) 391-1405
- NPI assigned
- Jun 23, 2017
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 036.178554 | IL | Primary |
| Surgery Physician | 208600000X | 4301113142 | MI | |
| Internal Medicine Physician | 207R00000X | 4301505758 | MI |
Addresses
Primary practice location
221 Michigan St NE Ste 200-a
Grand Rapids, MI 49503-2543
Mailing address
221 Michigan St NE Ste 200-a
Grand Rapids, MI 49503-2543
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MI, IL
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20220421001624 | MI | Practitioner - Cardiovascular Disease (Cardiology) | 7810269131 | Reassigns benefits to 3 organizations |
| I20260316000860 | IL | Practitioner - Internal Medicine | 7810269131 | Reassigns benefits to 1 organization |
Care Compare profile
Medicare Care Compare- Specialty
- Cardiovascular Disease (Cardiology)
- Education
- Other, 2017
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Covenant Medical Center, Inc.Cep America-Illinois Hospitalists, LLP
Practice addresses (Care Compare)
2750 Main St
Suite 3
Marlette, MI 48453-1100
Phone (989) 635-4023
800 E Carpenter St
Springfield, IL 62702-5324
Phone (217) 544-6464
Hospital & facility affiliations
- St Johns Hospital
- Marlette Regional Hospital
- St Francis Hospital
- Hillsboro Area Hospital
- St Anthonys Memorial Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036.178554 | IL | MD | Internal Medicine Physician |
| 4301505758 | MI | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Covenant Medical Center, Inc | Internal Medicine | Current | Accepting new patients |
| Vituity - Michigan Hospitalists PC | Internal Medicine | Current | Accepting new patients |
| Cep America-Illinois Hospitalists | Current | Accepting new patients | |
| Cep America-Illinois Hospitalists | Internal Medicine | Current | Accepting new patients |
| Covenant Medical Center, Inc. | Current | Accepting new patients | |
| Covenant Medical Center, Inc | Current | Accepting new patients | |
| Sparrow Specialty Hospital | Internal Medicine | Current | Accepting new patients |
Locations
2100 Powell St
Ste 400
Emeryville, CA 94608
Phone (510) 350-2638
1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423
8175 Reliable Pkwy
Chicago, IL 60686
800 E Carpenter St
Springfield, IL 62702
Phone (217) 525-5643
406 E Elm St
Carson City, MI 48811
Phone (517) 584-3131
1215 E Michigan Ave
Lansing, MI 48912
Phone (517) 336-8080
1215 E Michigan Ave
#8W
Lansing, MI 48912
Phone (517) 364-2614
2750 Main St
Ste 3
Marlette, MI 48453
Phone (989) 635-4023
1447 N Harrison St
Saginaw, MI 48602
Phone (989) 583-4220
Interoperability endpoints
- aoladeji181702@direct.covenanthealthcare.com
Organizations & group practices 11
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Hospitalist Physician
- Lansing, MI
- NPI 1487278156
Internal Medicine, MI
-
- Rehabilitation Hospital Unit
- Saginaw, MI
- NPI 1144254525
-
- Certified Registered Nurse Anesthetist
- Saginaw, MI
- NPI 1225151897
-
- General Acute Care Hospital
- Saginaw, MI
- NPI 1588656946
-
- Family Medicine Physician
- Saginaw, MI
- NPI 1063955136
-
- Hospitalist Physician
- Effingham, IL
- NPI 1174022362
Internal Medicine
-
- Hospitalist Physician
- Bloomington, IL
- NPI 1669276523
Hospital & facility affiliations 12
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Effingham, IL
- NPI 1306800602
Hospital
-
- Clinic/Center
- Effingham, IL
- NPI 1881214104
Hospital
-
- Critical Access Hospital
- Litchfield, IL
- NPI 1326057076
Hospital
-
- General Acute Care Hospital
- Springfield, IL
- NPI 1205818481
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1498176000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1776384000000",
"number": "1780104364",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "221 MICHIGAN ST NE STE 200-A",
"city": "GRAND RAPIDS",
"state": "MI",
"postal_code": "495032543"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "221 MICHIGAN ST NE STE 200-A",
"city": "GRAND RAPIDS",
"state": "MI",
"postal_code": "495032543",
"telephone_number": "616-391-1405"
}
],
"practiceLocations": [],
"basic": {
"last_name": "OLADEJI",
"first_name": "AYOWALE",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2017-06-23",
"last_updated": "2026-04-17",
"certification_date": "2026-04-17",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "IL",
"license": "036.178554",
"primary": true
},
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "MI",
"license": "4301113142",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "MI",
"license": "4301505758",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Grand Rapids, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.